Kidney stones that are too big to pass through the ureter become very painful (B). During lithotripsy, the patient is put in a tub of water, or on a water-filled blanket. Shock waves are used to break up the stone (C).
Temperate Grasslands. Temperate grasslands are located north of the Tropic of Cancer (23.5 degrees North) and south of the Tropic of Capricorn (23.5 degrees South).The major temperate grasslands include the veldts of Africa, the pampas of South America, the steppes of Eurasia, and the plains of North America.emperate Grasslands. Temperate grasslands are located north of the Tropic of Cancer (23.5 degrees North) and south of the Tropic of Capricorn (23.5 degrees South).
Environmental concerns in temperate grasslands are: many prairies have been turned into farms or grazing because the land is flat, treeless, covered with grass, and have rich soil. Grasslands are found on all continents, except for Antarctica.